can patter
Regular verb: patter - pattered- pattered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can patter
you can patter
he can patter
we can patter
you can patter
they can patter 	I can be pattering
you can be pattering
he can be pattering
we can be pattering
you can be pattering
they can be pattering	I can have pattered
you can have pattered
he can have pattered
we can have pattered
you can have pattered
they can have pattered	I can have been pattering
you can have been pattering
he can have been pattering
we can have been pattering
you can have been pattering
they can have been pattering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot patter
you cannot patter
he cannot patter
we cannot patter
you cannot patter
they cannot patter 	I cannot be pattering
you cannot be pattering
he cannot be pattering
we cannot be pattering
you cannot be pattering
they cannot be pattering	I cannot have pattered
you cannot have pattered
he cannot have pattered
we cannot have pattered
you cannot have pattered
they cannot have pattered	I cannot have been pattering
you cannot have been pattering
he cannot have been pattering
we cannot have been pattering
you cannot have been pattering
they cannot have been pattering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I patter?
can you patter?
can he patter?
can we patter?
can you patter?
can they patter? 	can I be pattering?
can you be pattering?
can he be pattering?
can we be pattering?
can you be pattering?
can they be pattering? 	can I have pattered?
can you have pattered?
can he have pattered?
can we have pattered?
can you have pattered?
can they have pattered? 	can I have been pattering?
can you have been pattering?
can he have been pattering?
can we have been pattering?
can you have been pattering?
can they have been pattering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not patter?
can you not patter?
can he not patter?
can we not patter?
can you not patter?
can they not patter? 	can I not be pattering?
can you not be pattering?
can he not be pattering?
can we not be pattering?
can you not be pattering?
can they not be pattering? 	can I not have pattered?
can you not have pattered?
can he not have pattered?
can we not have pattered?
can you not have pattered?
can they not have pattered? 	can I not have been pattering?
can you not have been pattering?
can he not have been pattering?
can we not have been pattering?
can you not have been pattering?
can they not have been pattering?